{% if get_flashed_messages() %}
<div class="alert callout callout-info" id="alertarea">
    <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
    <h4><i class="icon fa fa-info"></i>提示信息</h4>
    {% for message in get_flashed_messages() %}
    <p>{{ message }}</p>
    {% endfor %}
</div>
{% endif %}
